Researchers develop a paper-thin loudspeaker
MIT engineers have developed a paper-thin loudspeaker that can turn any surface into an active audio source.
Apr 26, 2022
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MIT engineers have developed a paper-thin loudspeaker that can turn any surface into an active audio source.
Apr 26, 2022
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We want modern technology to become smaller and more energy-efficient without losing quality. Technical innovation is required to achieve this. For several years, the Fraunhofer Institute for Photonic Microsystems IPMS has ...
Dec 12, 2022
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A new device that can reduce the intensity of sound passing through open windows is presented in a proof-of-principle study in Scientific Reports. It fits into a two-panel sliding window and can decrease the perceived loudness ...
Jul 9, 2020
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Imagine being inside Rensselaer Polytechnic Institute's Collaborative Research Augmented Immersive Virtual Environment Laboratory (CRAIVE Lab), which features a front-projection 360-degree panoramic display to immerse you ...
Dec 5, 2019
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A loudspeaker (or "speaker") is an electroacoustic transducer that produces sound in response to an electrical audio signal input. Non-electrical loudspeakers were developed as accessories to telephone systems, but electronic amplification by vacuum tube made loudspeakers more generally useful. The most common form of loudspeaker uses a paper cone supporting a voice coil electromagnet acting on a permanent magnet, but many other types exist. Where accurate reproduction of sound is required, multiple loudspeakers may be used, each reproducing a part of the audible frequency range. Miniature loudspeakers are found in devices such as radio and TV receivers, and many forms of music players. Larger loudspeaker systems are used for music, sound reinforcement in theatres and concerts, and in public address systems.
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